Hello can someone please help me 1. The 'H and 'C NMR spectra of compound A are shown below. In the mass spectrum the parent ionappears at m/z= 129. In the 'H spectrum there are two nearly coincident resonances (1.01 and 1.02ppm).%3Da)What is the molecular formula of A?20.848.639.117.220018016014012010080604020ppmb)What is the structure of A?1.02 ppm(d, 12H)1.01 ppm(t 3H) 20018016014012010080604020 0ppmb),What is the structure of A?1.02 ppm(d, 12H)1.01 ppm(t, 3H)2.47 ppm3.02 ppm(q, 2H)(m, 2H)11108 76.4 31ppmEGO2.9.

The nuclear magnetic resonance (NMR) spectroscopy is used to determine the structure and properties…

1. The 'H and "C NMR spectra of compound A are shown below. In the mass spectrum the parent ion appears at m/z= 129. In the 'H spectrum there are two nearly coincident resonances (1.01 and 1.02 ppm). a) What is the molecular formula of A? 20.8 48.6

1. The 'H and "C NMR spectra of compound A are shown below. In the mass spectrum the parent ion appears at m/z= 129. In the 'H spectrum there are two nearly coincident resonances (1.01 and 1.02 ppm). a) What is the molecular formula of A? 20.8 48.6

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter12: Structure Determination: Mass Spectrometry And Infrared Spectroscopy

Section12.SE: Something Extra

Problem 48AP: The infrared spectrum of the compound with the mass spectrum shown below lacks any significant...

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Question

Hello can someone please help me

1. The 'H and 'C NMR spectra of compound A are shown below. In the mass spectrum the parent ion
appears at m/z= 129. In the 'H spectrum there are two nearly coincident resonances (1.01 and 1.02
ppm).
%3D
a)
What is the molecular formula of A?
20.8
48.6
39.1
17.2
200
180
160
140
120
100
80
60
40
20
ppm
b)
What is the structure of A?
1.02 ppm
(d, 12H)
1.01 ppm
(t 3H)

200
180
160
140
120
100
80
60
40
20 0
ppm
b),
What is the structure of A?
1.02 ppm
(d, 12H)
1.01 ppm
(t, 3H)
2.47 ppm
3.02 ppm
(q, 2H)
(m, 2H)
11
10
8 7
6.
4 3
1
ppm
EGO
2.
9.

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